Lot 1717. Diamond Bangle, Bulgari. Estimate HK$320,000–450,000 (41,000–58,000 USD). Photo: Sotheby's

Set with circular-cut, baguette and tapered baguette diamonds weighing approximately 19.00 carats, mounted in 18 karat yellow gold, signed Bulgari, numbered, Italian assay and maker's marks, inner circumference approximately 150mm. 

Sotheby's. Magnificent Jewels and Jadeite, Hong Kong, 04 Apr 2017, 02:30 PM